Science space quiz

Match the following

• Satellite

• everything that exists, including all energy, matter, and space

• Celestial object

• a celestial object that travels around a planet or dwarf planet

• Orbit

• any object that exists in space

• Universe

• the Sun and all the objects that travel around it

• Solar System

• the closed path of a celestial object or satellite as it travels around another celestial object

Match the following

• Galaxy

• a large, round celestial object that travels around a star

• Astronomy

• is a type of satellite: a celestial object that travels around a planet or dwarf planet in a closed path.

• planet

• a huge, rotating collection of gas, dust, and billions of stars, planets, and other celestial objects

• Star

• is the scientific study of what is beyond Earth

• Moon

• a massive collection of gases, held together by its own gravity and emitting huge amounts of energy

Match the following

• Stars

• These planets are composed of mostly gases and liquids

• Solar system

• Are luminous , means produce light

• Gas giants

• These planets have hard and rocky surfaces

• Planets and the moon

•  is the sun and all of the planets that orbit the sun.

• Terrestrial planets

• Only visible because they reflect light from the sun

Write the planets in order from closest to the sun to farthest away

Answer explanation

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune

Write 3 facts about Earth

Answer explanation

#1: earth is the 3rd planet from the sun

#2: 5th largest planet in the solar system

#3: terrestrial planet composed of mostly rock

#4: Earth is in constant motion and orbits the sun

Important facts! Sort the facts into their proper category

Groups:

(a) Stars

,

(b) Planets

,

(c) Moon

,

(d) Galaxies

• appears as a hazy band of white light

• Found everywhere in the sky

• non-luminous

• Luminous

• relatively close to earth

• large collections of stars, dust, gas and planets

• Occur along the sun's pathway

• very far from earth

• Is a natural type of satellite

• contains 200 billion stars

• don't twinkle and can be coloured

• appears big and bright due to its proximity (closeness) to earth

• very large, some are bigger than the sun

• non-luminous but we can see it because it reflects light from the sun

• ours is called the milky way

• Appear to twinkle and appear white

• can be bigger than earth but not bigger than the sun

• is actually 4 times smaller than earth

• always very hot

Match the following

• Gravitational Force

• the force of attraction between all masses in the Universe. The greater the mass of an object, the stronger its gravitational force

• Solstice

• the changing direction of Earth’s axis. Similar to a spinning top

• Eclipses

• an astronomical event that occurs two times each year, when the tilt of Earth’s axis is most inclined toward or away from the Sun, causing the position of the Sun in the sky to appear to reach its northernmost or southernmost extreme 

• Precession

• the time of year when the hours of daylight equal the hours of darkness

Match the following

• Earth's revolution

• This means to travel all the way around another object.

• Revolution

• 24hrs or 1 day

• Orbital radius

• the average distance between an object in the Solar System and the Sun

• Rotation

• This means to spin.

• Earth's rotation

• 365 days or 1 year

The earth is closest to the sun around (hint: what month and day):

The earth is farthest to the sun around (hint: what month and day):